Where employer and union orally agreed for employer to contribute to pension plan for more than allowed by written agreements, written agreements controlled and employer was not liable for withdrawal assessment.The 7th U.S. Circuit Court of Appeals reversed a decision by Judge Philip P. Simon, Northern District of Indiana.In 2004, Bulk Transport Corp. landed a contract to haul commodities. Prior to 2003, this sort of work, when performed by union members of Teamsters Local 142, had been covered under a pension agreement …